Home / 38,202.34-52,718.20-21,206.54

Finding the Fourth Proportional to 38,202.34, 52,718.20 and 21,206.54

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Solution

The fourth proportional to 38,202.34, 52,718.20 and 21,206.54 is: 29,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,202.34 : 52,718.20 = 21,206.54 : x
  2. Step 2: Convert to fraction form
    38,202.34/52,718.20 = 21,206.54/x
  3. Step 3: Cross multiply
    38,202.34x = 52,718.20 × 21,206.54
  4. Step 4: Simplify right side
    38,202.34x = 1,117,970,617.03
  5. Step 5: Solve for x
    x = 1,117,970,617.03/38,202.34
  6. Step 6: Final answer
    x = 29,264.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.